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Hi-Fi Bluetooth Speaker 

RS7720

User manual

To Our Valuable Customer

Key and Connection

Turn ON/OFF and Bluetooth pairing function 

Function Description

Safety

Connect to Bluetooth devices

Trouble shooting

Other play back feature

Trouble shooting

Package Accessories

Thank you for choosing our Wireless portable speaker.

This model uses a high capacity Polymer Lithium battery,with the super 

low bass

And also comes with noise reduction technology,

It is compatible with most of the Bluetooth frequency and support A2DP.

So that you can enjoy the pure HIFI sound quality and it has build in 

microphone wireless Bluetooth function.Please read the menu carefully 

before uses the unit and keep the menu in a safe place.

1. Do not turn the volume to the maximum level,because it may harm to 

the hearing.

2. Keep unit away from the moisture environment,sand or other 

electronic devices.

3. Use the wet cloth to clean up this product,but do not use alcohol,

winde.

4. The unit was charged 50% of battery on the production line.In order 

to maintain the battery life,it requires charging the battery in full before 

use the product.

1. About the charging indicator light

a. Charge to 25%-50%,25% the 

corresponding indicator turn into a 

constant ligh;50%,the corresponding 

indicator is flashing.

b. Charge to 50%-70%,50% the 

corresponding indicator turn into a c

onstant ligh;75%,the corresponding 

indicator is flashing.

c. Charge to 75%-100%,75% the 

corresponding indicator turn into a 

constant ligh;100%,the corresponding 

indicator is flashing.

Previous blue indicator show: wireless 

audio connection device,wireless Bluetooth 

connection device that could only connect 

to the previous Bluetooth device (Mobile 

phone).

Previous indicator blue and red flashing 

show: wireless audio connection device,

wireless Bluetooth connection device is 

rebooting.

Previous red indicator show: Charing

1. Hold ON/OFF,until a “Dong” sound, blue indicator,Bluetooth speaker 

could connect to the previous connected device.

After reboot,press ON/OFF momentarily, until a “du” sound, blue and 

red flashing,the state of Bluetooth pairing,and the mobile phone can pair 

with HI-FI now.
2. At sate of power on,hold ON/OFF,until a “dong” sound,red indicator,

power off
3. At the state power on,Bluetooth connection (play),all of a sudden call,

end play music self-motion,turn to be calling prompt,press phone key 

momentarily pick up,the microphone work.Press phone key 

momentarily 2 times,redialling the last called.Press the Phone key,hang 

up,turn to play. Calling,end play music self-motion,turn to call prompt,

hold Phone Key 1s,reject call,turn to play.
4. Hold Increase volume button,the voice become louder and “dong 

dong dong…” Indicator when reach the loudest.Hold decrease volume 

button,the voice become smaller,and reach the lowest when “dong 

dong dong” showed.
5. Turn to play next song when press increase volume momentarily: 

Press decrease volume momentarily to play previous song.
6. The voice of speaker can be control by Mobile phone or Bluetooth 

device.

① Indicator       ② Phone       ③Decrease Volume/Move to Previous 
④ON/OFF           ⑤Increase Volume/Move to Next  
⑥Headphone Jack  ⑦Play or Pause

1

2

3

7

4

6

5

d. Charge to 100%,the four indicators all constant light.

2. About the power indicator light (power indicator switch)

Press switch on,the indicator show the power:

When power over 75%,the four indicators light on.And so on,the 

product is standard charge cable (USB-A interface-USB-A interface).

25%

50%

75%

100%

7. If you hear the “du du du du…”Indicator,the battery is low and 

requires charging of the device.
In order to maintain the power of rechargeable battery last longer,you 

need to charge and discharge battery every 3 months,even you do 

not use it.

There are many applicable Bluetooth devices in the market,we show 

IPHONE as a demon stration below:

*You may require password,if needed,please input 0000.

*Always follow operation guidance on the phone.
If you want to connect a new Bluetooth connection,you must make sure 

the Bluetooth in the state of pairing standby mode,and the AUX interface 

do not connect any audio device.
1. Hold Bluetooth function button for a few seconds until previous 

indicator red and blue lights flashing

2.Open IPHONE

3.Follow the steps to activate the IPHONE Bluetooth function:

Open set up menu

Choose the regular menu-Bluetooth

Set up the Bluetooth open on state

IPHONE begin to search and obtain the Bluetooth device on the list;the 

speaker is named S7720 on the list of Bluetooth device,the state is 

without paired,without connection.
4. Open the matching connection.Iphone viewing screen will indicate 

connected,the previous indicator blue start flashing slowly.At this time 

could start playing music,for example,the function operation on Iphone 

could transfer to speaker.

If set up the sound to halt condition in careless,only if open the power,

Bluetooth reactivation and the paired Bluetooth devices are in the work 

range,the speaker will connect the last connection device automatic;

Previous indicator will red flash for a short time.Once the speaker is 

reconnection successfully,previous indicator turn to blue.
*If the LINE IN interface of speaker have audio connected device,speaker 

will default voice frequency first play.this time,Bluetooth device be 

disconnected,unless remove LINE IN connection,otherwirse the 

transmission could not recover.

Play music

The speaker could play all different formats that your device supported.

It also support new A2DP standard format.At present,there are lots of 

devices could be supported by mobile phone,which is special researched 

and developed for transfer wireless stereo signal device by Bluetooth.
You may need manual activation for your smart mobile phone’s 

transmission that should transfer by A2DP. For this,you can refer to 

the relevant guidelines of your smart mobile phone to gain the more 

information.
Base on the issue of versions on smart mobile phone,sometime,it may 

not play music directly.Under the circumstances,you need operate by 

hands,and then you could pause or replay the music in any device.

1. Start the music playing

2. Turn on the relevant function of your smart phone to play.

3. In the situation of Bluetooth connected and playing:

Stop Playing,press Pause button momentarily,the music pause.

Resume play,press Pause button momentarily again,the music play.

4. Volume Control

Hold on the Increase Volume button,the sound gradually louder,till have 

a voice “Dong Dong Dong…”,reach the loudest.Hold on the decrease 

volume button,the sound gradually smaller,till have a voice “Dong Dong 

Dong…” reach the smallest.

5. Conversation

It could use as a hands-free device,build-in microphone.

Pick up call

The music will automatically disconnect when there is an incoming call,

and the phone ringing transfer to speaker.

Pick up call: press phone button momentarily,the phone will transfer to s

peaker,you can use the internal microphone to hands-free conversation.

You could choose in your smart phone to pick up phone by speaker or 

phone.

6.Hung up or reject call

When there is call,hold phone button to hang up.

 

You could connect your phone which is without Bluetooth function to 

speaker device directly,but you need have an audio cable that both ends 

with 3.5mm diameter of the plug.

Please follow your phone operational guideline to operation.

As to through LINE IN connecting base to connection’s device,you can 

only use the volume control of audio device (As mobile phone) to 

control the volume,and the start and stop of music could only be 

controlled by audio device.

 

Can’t operate in the normal condition

1. 1s that enough battery power? Connect the unit to the computer 

by USB cable

2. 1s that power off or stay on standby mode? Turn on the device and 

pairing it again 

3. 1s that within the receiver distance? Move devices close to the device 

Can’t connect with Bluetooth

1. Did the Bluetooth compatible with the cell phone? Refer to cell 

phone menu for more information

2. Did the Bluetooth activate from the cell phone? Turn on the 

Bluetooth function from the cell phone and confirm the pairing is 

successfully from the device. Otherwise, refer to the page 4” connect 

to Bluetooth device”

3. Did the pairing password been enter? Check and confirm with devices

Cannot play music

1. Did the device have the playback software? Refer to the device menu 

and follow the instruction on playback music option

2. Did the playback set on pause mode? Press the play/pause button 

from RS7720

3. If the volume of play device is too low

4. Did the volume adjust too low or on mute on the device and the 

TOP-X6?

5. Did the LINE IN input been connected? The Bluetooth playback will 

stop if the LINE IN input connected

6. Did the battery in low condition? Charging is required

Play back stop

Check battery condition, charging required if the battery low

1. Use a suitable audio cable,one end connect to mobile phone 

headphone output hole,and the other one end connect to LINE IN 

connecting seat of speaker.

2. Turn on the speaker and mobile phone.

3. Click on the audio device to play music.

4. Control the volume in Audio device.

*Please turn off them before disconnect speaker and audio device.

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